A nearsighted person cannot reduce the power of her eye (by relaxing the lens) below 42 D. The lens can add 4 D extra power for near vision. (1) How far can an object be from this person and still allow her to focus on it clearly (the far point distance)? (2) What focal length of corrective lens should this person use to make the far point distance infinite? (3) Without corrective lenses, what is this person's near point distance?

The liquid A is present lower in the container as compared to liquid B due to more weight.

If two liquids A and B of relative densities 0.7 and 0.4 respectively then the lower density liquid remain at the top and higher density solution which is liquid A remains lower in the container because higher density solution has more weight.

So we can conclude that the liquid A is present lower in the container as compared to liquid B due to more weight.

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A base substitution mutation occurs when adenine is replaced by thymine, leading to an amino acid replacement in the 6th position of the β hemoglobin chain of a point mutation, involves a single nucleotide being altered in the DNA sequence.

In the case of the β hemoglobin chain, this specific mutation can result in the development of a disease called sickle cell anemia. Sickle cell anemia is a genetic disorder that affects the shape and function of red blood cells. The amino acid replacement caused by the adenine-to-thymine substitution leads to the production of abnormal hemoglobin, called hemoglobin S (HbS), instead of the normal hemoglobin A (HbA), this change disrupts the oxygen-carrying capacity of red blood cells, causing them to become rigid, sticky, and crescent-shaped, which is the characteristic feature of sickle cell anemia.

These sickle-shaped cells can block blood vessels, leading to reduced blood flow and oxygen supply to various tissues and organs, this can result in episodes of pain, organ damage, and an increased risk of infections. Sickle cell anemia is inherited in an autosomal recessive manner, meaning that an individual must inherit two copies of the mutated gene (one from each parent) to develop the disease. A base substitution mutation occurs when adenine is replaced by thymine, leading to an amino acid replacement in the 6th position of the β hemoglobin chain of a point mutation, involves a single nucleotide being altered in the DNA sequence.

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Answer:

They are made of one type of atom.

Explanation:

Answer:

The answer is A

Explanation:

Answer: the velocity is -2

Explanation: good luck don't think its wrong everyone calls me the human calculator

Answer:

A=0.80

Explanation:

a=2×100/time^2. a=2×100/15.86^2. = a=0.80

The acceleration of the system will be 0.833 meters per second square.

The behavior of things is predicted by Newton's first rule of motion when all external forces are equal. The first law, sometimes known as the law of inertia, asserts that if an entity's energies are balanced, its acceleration will be zero meters per second.

When all forces are balanced, an object is said to be in equilibrium and won't accelerate. Newton postulated that an item will only accelerate in the presence of a net or uneven force. An object will accelerate if there is an imbalanced force present, altering its direction, speed, or both.

Let 'm' be the mass of the object in kilogram and 'a' is the acceleration of the object in meters per second square. Then the force on the system is calculated as,

F = ma

For a system mass of 600g and a hanging weight of 0.50 N. Convert the mass of the object into kilogram. Then we have

m = 600 / 1000

m = 0.6 kg

Then the acceleration of the system will be calculated as,

0.50 = 0.6 × a

a = 0.833 meters per second square

The acceleration of the system will be 0.833 meters per second square.

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The aforementioned circumstances can result in the production of 0.119 moles of ammonia (NH3).

We must utilize the ideal gas law and the stoichiometry of the balanced chemical equation for the reaction between hydrogen (H2) and nitrogen (N2) to make ammonia in order to determine how many moles of ammonia (NH3) were produced.

Let's begin by formulating the reaction's balanced equation:

3H₂ + N₂ → 2NH₃

We can see from the equation that we produce 2 moles of ammonia for every 3 moles of hydrogen. As a result, the molar ratio of ammonia to hydrogen is 2:3.

We must convert the supplied parameters of 4.0 liters of hydrogen at 50.0 °C and 1.2 atm of pressure into moles in order to use the ideal gas law. The ideal gas law and the molar volume of an ideal gas at standard temperature and pressure (STP) may be combined using the equation shown below:

PV = nRT

Where:

The temperature must first be converted from Celsius to Kelvin:

T(K) = T(°C) + 273.15

T(K) = 50.0°C + 273.15 = 323.15 K

To solve for the number of moles (n), we may now rearrange the ideal gas law equation as follows:

n = PV / RT

n = (1.2 atm) * (4.0 L) / (0.0821 L·atm/(mol·K) * 323.15 K) ≈ 0.179 mol

Since ammonia and hydrogen have a 2:3 molar ratio, we can calculate the amount of ammonia created by multiplying (2/3) * 0.179 mol by 0.119 mol.

As a result, the circumstances allow for the production of 0.119 moles of ammonia.

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The time elapsed between when the stone is thrown and when it strikes the bottom of the pool is approximately 1.50 seconds.

To determine the time elapsed between when the stone is thrown and when it strikes the bottom of the pool, we need to analyze the stone's motion in two parts: its motion in the air and its motion underwater.

Motion in the air: The stone is thrown with an initial velocity of 4.00 m/s at an angle of 60.0 degrees above the horizontal. We can break down the initial velocity into horizontal and vertical components: Vx = 4.00 m/s * cos(60.0°) = 4.00 m/s * 0.5 = 2.00 m/s (horizontal component) Vy = 4.00 m/s * sin(60.0°) = 4.00 m/s * √(3)/2 ≈ 3.46 m/s (vertical component)

The stone will follow a parabolic trajectory in the air due to gravity. The time taken to reach the maximum height can be determined using the vertical component of velocity: Vy = 0 m/s (at the topmost point) Using the equation Vy = Vy0 - g * t, where g is the acceleration due to gravity (approximately 9.8 m/s2), we can solve for t: 0 = 3.46 m/s - 9.8 m/s2 * t t = 3.46 m/s / 9.8 m/s2 ≈ 0.353 s

Since the total time of flight is twice the time taken to reach the maximum height, the stone's total time of flight in the air is: t_air = 2 * t = 2 * 0.353 s ≈ 0.706 s

Motion underwater: Once the stone enters the water, it immediately slows down to half its initial speed and continues to move in a straight line along the direction of its velocity. The velocity of the stone underwater is then: V_underwater = 0.5 * V_initial = 0.5 * 4.00 m/s = 2.00 m/s

To calculate the time taken for the stone to reach the bottom of the pool, we can use the equation of motion: d = V * t

Here, we need to determine the distance traveled underwater, which is the depth of the pool: d = 3.00 m. Substituting the values, we have: 3.00 m = 2.00 m/s * t Solving for t: t = 3.00 m / 2.00 m/s = 1.50 s

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The momentum flow rate through the pipe carrying liquid ammonia is 1 × \(10^6\) kg·m/s.

The flow rate of momentum (Ṁ) through the pipe can be calculated by multiplying the mass flow rate (ṁ) by the velocity (v). The speed can be determined using the equation v = ṁ / (ρA), where ρ is the density of the liquid ammonia and A is the pipe's cross-sectional area.

Given:

ṁ = 100 kg/s

A = 0.01 m²

Assuming the density (ρ) of liquid ammonia is 700 kg/m³, we can calculate the velocity (v):

v = ṁ / (ρA)

v = 100 kg/s / (700 kg/m³ × 0.01 m²)

v = 10000 m/s

Now, we can calculate the flow rate of momentum (Ṁ):

Ṁ = ṁv

Ṁ = 100 kg/s × 10000 m/s

Ṁ = 1 × \(10^6\) kg·m/s

Therefore, the momentum flow rate through the pipe is 1 × \(10^6\) kg·m/s.

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The expression for the energy stored (E) in a stretched wire of original length (L), cross-sectional area (A), tension (T), and Young's modulus (Y) is given by E = Y * e * ln(L) * A

The work done to stretch the wire can be calculated by integrating the force applied over the displacement. In this case, the force applied is the tension (T) in the wire, and the displacement is the change in length (ΔL) from the original length (L) to the stretched length (L + ΔL).

The tension in the wire is given by Hooke's law, which states that the tension is proportional to the extension of the wire:

T = Y * (ΔL / L)

where Y is the Young's modulus of the material of the wire.

Now, let's calculate the work done to stretch the wire:

dW = T * dL

Integrating this expression from L to L + ΔL:

W = ∫ T * dL = ∫ Y * (ΔL / L) * dL

W = Y * ΔL * ∫ (dL / L)

W = Y * ΔL * ln(L) + C

Here, C is the constant of integration. Since the energy stored in the wire is zero when it is unstretched (ΔL = 0), we can set C = 0.

Finally, the expression for the energy stored in the wire (E) is:

E = W = Y * ΔL * ln(L)

or, if we substitute the cross-sectional area (A) and strain (e) of the wire, where e = ΔL / L:

E = Y * e * ln(L) * A

Thus, the expression for the energy stored (E) in a stretched wire of original length (L), cross-sectional area (A), tension (T), and Young's modulus (Y) is given by:

E = Y * e * ln(L) * A

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The findings that most likely contributed to Jenna's conclusion were a change in smell. Option A is correct.

A fragrance, usually an unpleasant one: The smell of sweaty feet was palpable throughout the space. Our body odor has a big impact on the kinds of scents we enjoy.

The complete question is;

"Jenna pulled out an open bowl of leftover mashed potatoes from the fridge and smelled something different. She discovered that since the potatoes were initially placed there, chemical changes had taken place. Which facts most likely supported Jenna's judgment?

a change of odor

a decrease in temperature

a change in moisture content

a decrease in mass"

The observation that most likely inspired Jenna to draw her conclusion was a change in odor.

Hence, option A is correct.

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Answer:

A change in odor

Explanation:

The inductance required for an oscillator to generate 490 nm electromagnetic waves is 2.66 * 10⁻⁹ H.

An electromagnetic wave is an oscillating wave of electric and magnetic energy, travelling through space at the speed of light. It is a form of energy that is created when electric and magnetic fields vibrate in unison. Electromagnetic waves are made up of oscillating electric and magnetic fields that travel through the air and other materials.

The inductance required for an oscillator to generate 490 nm electromagnetic waves depends on the type of oscillator being used. The equation for calculating the required inductance is L = 1 / (2 * π * f * C), where L is inductance, f is frequency,
and C is capacitance.
In this case, the frequency would be f = c / λ,
where c is the speed of light and λ is the wavelength (490 nm).
Plugging in the values, we get L = 1 / (2 * π * (3 * 10⁸ / 490 * 10⁻⁹) * 19 * 10⁻¹²) = 2.66 * 10⁻⁹ H.
So, the inductance required for an oscillator to generate 490 nm electromagnetic waves is 2.66 * 10⁻⁹ H.

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The minimum kinetic energy of a confined proton is 4.88 × 10⁻¹¹ J when it is confined within a nucleus.

The given radius of an atomic nucleus = r = 5.3 × 10⁻¹⁵ m

(a) The minimum uncertainty in the momentum of a proton when it is confined within the nucleus can be calculated using Heisenberg's Uncertainty Principle. According to Heisenberg's uncertainty principle, the minimum uncertainty in the momentum of a confined particle is given as follows:

\(Δp . Δx >= h/2π\), where Δp is the minimum uncertainty in the momentum of the particle, Δx is the minimum uncertainty in the position of the particle h is the Planck's constantπ is a mathematical constant

The minimum uncertainty in the momentum of a confined proton = Δp = (h/2π) / r

Where h = 6.626 × 10⁻³⁴ J s is Planck's constant

Π = 3.1416

Therefore, Δp = (6.626 × 10⁻³⁴ J s / 2 × 3.1416 × 5.3 × 10⁻¹⁵ m)

Δp = 3.72 × 10⁻²¹ kg m/s(b) Since the proton is confined within the nucleus, the minimum kinetic energy of the proton can be calculated as follows:\(K.E(min) = p²/2m\)

where p = Δp = 3.72 × 10⁻²¹ kg m/s is the minimum uncertainty in momentum of the confined proton

m = 1.67 × 10⁻²⁷ kg is the mass of a proton

K.E(min) = (3.72 × 10⁻²¹ kg m/s)² / 2 × 1.67 × 10⁻²⁷ kg

K.E(min) = 4.88 × 10⁻¹¹ J

Thus, the minimum kinetic energy of a confined proton is 4.88 × 10⁻¹¹ J when it is confined within a nucleus.

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A bowling ball is dropped off a 300 meter high bridge. A water bottle is dropped from the same position 3 seconds later. the ground is the water bottle, when the bowling ball has a speed of 64 m/s is zero.

Speed is measured as the ratio of distance to the time in which the distance was covered. Speed is a scalar quantity as it has only direction and no magnitude.

The formula of speed is represented as s=d/t, Where, s is the speed in m.s-1, d is the distance traveled in m, t is the time taken in s

There are four types of speed such as Uniform speed, Variable speed, Average speed, Instantaneous speed

Uniform speed is an uniform speed when the object covers equal distance at equal time intervals, variable speed is defined as when the object covers a different distance at equal intervals of times.

Average speed is defined as the uniform speed the ratio of total distance travelled by an object to the total time taken by the object.

Instantaneous speed is defined as an object is moving with variable speed, then the speed at any instant of time is known as instantaneous speed.

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The capacitor is the energy storage device in the form of electrical energy and the capacitance is the ratio of charge and potential difference between capacitors.

The capacitance in the parallel plate capacitor is directly proportional to the area of the conductor and inversely proportional to the distance between the capacitors. The unit of capacitance is Farad(F).

1) Capacitance of the parallel plate capacitor is directly proportional to the area of the conductors and hence Area increases, the capacitance also increases.

2) Capacitance is inversely proportional to the distance between the capacitors and hence distance between the capacitors increases, Capacitance decreases.

3)  C = ε₀A/d, where A is the area of the capacitor and d is the distance between the capacitor, and C is the capacitance of the capacitor. The capacitance of the parallel plate capacitor is directly proportional to the area of the parallel plate capacitor and d is the distance of separation of plates.

4) If two identical capacitors are connected in parallel, the potential across the capacitors are same and the charge in the capacitors is different.

5) If the system has two capacitors connected in parallel, the charges remain unchanged and hence the net charge is equal to the individual charges of the capacitors. The net charge of the system is, Q = Q₁+Q₂. Q₁=C₁V and Q₂=C₂V, Q = V(C₁+C₂).

6) The device used to measure the decay of voltage in an RC circuit is the voltmeter. Voltmeter is a device used to measure the potential difference between two points.

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Answer:

The strength of the electromagnet increases.

Explanation:

The body mass index (BMI) is the measure of an individual's body weight relative to their height.

Body mass index:

Body mass index (BMI) is determined by dividing the body weight of the individual (in kilograms) by their height (in meters) squared.

The formula for calculating BMI is as follows:

BMI = body weight (kg) / height² (m²)

Where, BMI is the body mass index, the body weight is the weight of the individual in kilograms, and the height is the height of the individual in meters.

Body mass index is a numerical value that is used to classify individuals into different weight categories such as underweight, normal weight, overweight, and obese.

These weight categories are determined by the following BMI ranges:

Underweight: BMI less than 18.5

Normal weight: BMI between 18.5 and 24.9

Overweight: BMI between 25 and 29.9

Obese: BMI greater than or equal to 30BMI is a useful tool in determining the weight status of an individual and can be used to monitor their weight over time.

It is important to note, however, that BMI is not a perfect measure of body fatness and should be used in conjunction with other measures such as waist circumference and body composition to get a more accurate picture of an individual's overall health.

Therefore, the body mass index (BMI) calculates a person's weight in relation to their height.

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The time period of the communications satellites must be 24 hours to make one complete orbit around the earth.

An object that has been placed into orbit in space on purpose is known as a satellite or artificial satellite. Most spacecraft, with the exception of passive satellites, contain a means of generating electricity for the electronics they carry, such as solar cells or radioisotope thermoelectric generators.

A communications satellite is a man-made spacecraft that uses a transponder to relay and amplify radio telecommunication signals. It establishes a channel of communication between a source transmitter and a receiver situated at various points on Earth.

Most satellites that orbit the Earth do so between 160 and 2,000 kilometers above the surface. Because of how closely the satellites are orbiting the Earth, this orbital regime is known as low Earth orbit or LEO. The normal orbital period for satellites in low Earth orbit (LEO) is between 90 and 2 hours.

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The kind of waves that travel fastest through a long metal rod have wavelengths that are relatively short.

This is because the speed at which waves travel through a medium is determined by the properties of the medium, such as its density and elasticity. In general, waves with shorter wavelengths are able to travel faster through a given medium than waves with longer wavelengths.

In a long metal rod, the atoms are closely packed together, which makes the rod relatively dense and elastic. This means that waves with shorter wavelengths, such as high-frequency sound waves or electromagnetic waves with short wavelengths (e.g. gamma rays or X-rays), can travel faster through the rod than waves with longer wavelengths, such as low-frequency sound waves or radio waves with long wavelengths.

Therefore, the waves that travel fastest through a long metal rod have relatively short wavelengths.

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The force on the bullet of mass 21 g  is 14795.12 N.

Force is the product of mass and acceleration.

To calculate the force exerted on the bullet while it is being accelerated, we use the work energy relation below

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the force on the bullet is 14795.12 N.

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In a crash rear-seat passengers in a vehicle can fly ahead with first-rate force injuring or killing passengers in the front seat. Option A.

There is a common misconception that people are safer in the back seat, but the reality is that rear-seat passengers who are not buckled up are more likely to die in a crash. Upon impact, they're often thrown forward into the back of front seats with significant force. Sit upright and you will have the least chance of getting an auto injury.

It will keep you secure and will lower your risk for serious injury. Headrests also protect you in the event of an accident. consistent with a recent study by the Insurance Institute for Highway Safety IIHS the back seat is no longer the safest place. In fact, sitting in the front seat increases your chances of surviving a car accident.

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The speed of the bullet is approximately 380 m/s. We can use the conservation of momentum and energy to solve for the initial speed of the bullet.

Take a balloon as an example. Gas particles are moving quickly and colliding with the balloon's walls. Although the particles are moving faster and slower as a result of their collisions, the system's overall momentum is unchanged.

Conservation of momentum:

\(m_bullet * v_bullet = (m_block + m_bullet) * v_final\)

Conservation of energy:

\(1/2 * (m_block + m_bullet) * v_final^2 = 1/2 * k * x^2\)

\(v_final = m_bullet * v_bullet / (m_block + m_bullet)\)

Substituting this into the energy equation and solving for v_bullet:

\(v_bullet = \sqrt((2 * k * x^2 * m_block) / (m_bullet * (m_block + m_bullet)))\)

We can also express the spring constant in terms of the period of oscillation:

\(k = 4 * \pi^2 * m_block / T^2\)

where T is the period of oscillation.

Substituting this into the expression for v_bullet and using the given values of m_block, x, and the amplitude, we get:

\(v_bullet = \sqrt((8 * \pi^2 * m_block * x^2) / (m_bullet * (m_block + m_bullet) * T^2))\)

We still need to find the period of oscillation, which we can do using the formula:

\(T = 2 * pi * \sqrt(m_block / k)\)

Substituting the expression for k in terms of T, we get:

\(T = 2 * \pi * \sqrt(m_block * (m_block + m_bullet)) / (2 * \pi * \sqrt(2 * m_block) * x)\\T = \sqrt((m_block + m_bullet) / (2 * m_block)) * x\)

Now we can substitute this expression for T into the expression for v_bullet to get:

\(v_bullet = \sqrt((8 * \pi ^2 * m_block * x^2 * (m_block + m_bullet)) / (m_bullet * (m_block + m_bullet) * (m_block + m_bullet / (2 * m_block) * x^2)))\)

Substituting the given values of m_block, m_bullet, and x, we get:

\(v_bullet = \sqrt(8 * \pi ^2 * 2.50 kg * (0.200 m)^2 * (2.50 kg + m_bullet) / (m_bullet * (2.50 kg + m_bullet) * (2.50 kg + (m_bullet / (2.50 kg)) * (0.200 m)^2)))\)

Simplifying this expression and solving for m_bullet, we get:

\(m_bullet = 0.0261 kg\)

Finally, we can substitute this value of m_bullet into the expression for v_bullet to get:

\(v_bullet = \sqrt(8 * \pi ^2 * 2.50 kg * (0.200 m)^2 * (2.50 kg + 0.0261 kg) / (0.0261 kg * (2.50 kg + 0.0261 kg) * (2.50 kg + (0.0261 kg / (2.50 kg)) * (0.200 m)^2)))\)

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Given information: The average method reports the following unit data for the forming department. Units completed in the forming department are transferred to the painting department. Production cost information for the forming department follows.

Direct materials:
Units completed during the period = 45,000 units
Ending work in process inventory = 5,000 units
Direct materials cost = $202,500

Conversion costs:
Units completed during the period = 45,000 units
Ending work in process inventory = 5,000 units
Conversion cost = $189,000

a. Calculation of equivalent units of production for both direct materials and conversion for the forming department:
Equivalent units of production = Units completed during the period + (Ending work in process inventory * Degree of completion)
Direct materials:
Equivalent units of production = 45,000 + (5,000 * 50%) = 47,500 units

Conversion costs:
Equivalent units of production = 45,000 + (5,000 * 60%) = 48,000 units

b. Calculation of the cost per equivalent unit of production for both direct materials and conversion for the forming department:
Cost per equivalent unit of production = Total cost for the period / Equivalent units of production

Direct materials:
Cost per equivalent unit of production = $202,500 / 47,500 units = $4.26 per unit

Conversion costs:
Cost per equivalent unit of production = $189,000 / 48,000 units = $3.94 per unit

c. Calculation of the cost assigned to the forming department's output using the weighted average method:
Total cost = Cost of units transferred out + Cost of ending work in process inventory
Cost of units transferred out = Number of units transferred out * Cost per equivalent unit of production
Cost of ending work in process inventory = Number of units in ending work in process inventory * Cost per equivalent unit of production

Direct materials:
Cost of units transferred out = 40,000 * $4.26 per unit = $170,400
Cost of ending work in process inventory = 5,000 * $4.26 per unit = $21,300
Total cost = $170,400 + $21,300 = $191,700

Conversion costs:
Cost of units transferred out = 40,000 * $3.94 per unit = $157,600
Cost of ending work in process inventory = 5,000 * $3.94 per unit = $19,700
Total cost = $157,600 + $19,700 = $177,300

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The acceleration of the person is 4.108 m/s^2.

What is acceleration?

The acceleration is the rate of change in the velocity in a unit of time.

Angular velocity: The change in angular displacement in a unit of time is called angular velocity.

Tangential velocity: The tangential velocity can be defined as the velocity of an object which is perpendicular to the radius in the rotational motion.

The relation between angular velocity ω, tangential velocity v, and radius r from the axis when the radius is perpendicular to the tangential velocity is,

v=ω*r

Given r=15 m, and ω=5 turns/minutes, substitute these values in the above formula.

Note: 1 turn/minute = 2π/60 rad/s.

v=(5 turns/minutes)*15 m

v=(5*2π/60 rad/s)* 15 m

v=7.85 m/s

Since the motion is circular, and the person is at the lowest point of the wheel, so the acceleration due to gravity will have no effect as it is perpendicular to tangential velocity here. The acceleration a for rotational motion is given by,

a=v^2/r

Substitute v=7.85 m/s, and r=15 m in this equation and solve it.

a=(2.094)^2/(15)

a=4.108 m/s^2

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The energy of combustion of acetylene is 1097 kJ/mol and the heat capacity of the bomb calorimeter is -31.5 kJ/°C.

a. To determine the heat capacity of the bomb calorimeter, we need to use the equation:

q = CΔT

where q is the heat absorbed by the calorimeter, C is the heat capacity of the calorimeter, and ΔT is the change in temperature. The heat absorbed by the calorimeter is equal to the heat released by the combustion of methane, which can be calculated using the molar mass of methane and the energy of combustion per mole:

q = (6.79 g / 16.04 g/mol) × (-802 kJ/mol) = -340 kJ

Now we can substitute the values into the equation and solve for C:

-340 kJ = C × 10.8°C

C = -340 kJ / 10.8°C = -31.5 kJ/°C

Therefore, the heat capacity of the bomb calorimeter is -31.5 kJ/°C.

b. We can use the same equation to calculate the energy of combustion of acetylene:

q = CΔT

where q is the heat absorbed by the calorimeter, C is the heat capacity of the calorimeter (which we just calculated to be -31.5 kJ/°C), and ΔT is the change in temperature. The heat absorbed by the calorimeter is equal to the heat released by the combustion of acetylene, which can be calculated using the molar mass of acetylene:

q = (12.6 g / 26.04 g/mol) × (-n kJ/mol) = -(0.484 n) kJ

where n is the energy of combustion of acetylene in kJ/mol. Substituting the values into the equation, we get:

-(0.484 n) kJ = (-31.5 kJ/°C) × 16.9°C

n = (31.5 kJ/°C) × (16.9°C) / 0.484 = -1097 kJ/mol

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An object of mass m attached to a spring of force constant k oscillates with simple harmonic motion. The system's potential energy when kinetic energy of (3/4) E is (1/8) k A².

Mechanical energy is the sum of potential energy and kinetic energy.

Total mechanical energy = P.E max = K.E max

Total mechanical energy = K.E +P.E

Given is the kinetic energy is (3/4)E.

E= (3/4)E + P.E

P.E =  (1/4) E

Maximum potential  energy =E = (1/2) k A²

Here. A is the maximum displacement and k is the spring constant.

The potential energy at kinetic energy of (3/4) E is

P.E = (1/4)E = (1/8) k A²

Therefore, the system's potential energy when kinetic energy of (3/4) E is (1/8) k A².

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Answer:   Natural stone

Explanation:

Answer:

Natural stone

Explanation:

The most common natural stones used to make countertops include granite, marble, soapstone, and slate.

Heat waves are defined by the difference in temperature compared to the normal temperature typical of a region.

A heatwave happens when a location has extremely high maximum and minimum temperatures over the course of three days. This is taken into account in light of the area's climate and previous weather patterns.

An protracted period of unusually warm weather that frequently lasts longer than two days is known as a heat wave. Heat waves can occur both with and without a lot of humidity. They can spread out across a large region, placing many people in danger of extreme heat.

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